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Fred Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Fred Williams across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 14-person household.
Age 25
b. ~1905
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Williams |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Mail-service |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1905 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Nina Williams | Daughter | — | 19 | ~1911 |
| Minnie Williams | Daughter | — | 18 | ~1912 |
| Emma Williams | Daughter | — | 21 | ~1909 |
| Margaret Williams | Daughter | — | 15 | ~1915 |
| Echen Williams | Daughter | — | 10 | ~1920 |
| Annie Williams | Daughter | — | 17 | ~1913 |
| James Williams | Head | — | 47 | ~1883 |
| Delia Lowe | Other | — | 18 | ~1912 |
| Augusta Kuhlman | Other | — | 76 | ~1854 |
| Howard Williams | Son | — | 13 | ~1917 |
| Frank Williams | Son | — | 21 | ~1909 |
| Lucille Williams | Son | — | 6 | ~1924 |
| Fred Williams | Son | — | 25 | ~1905 |
| Hilda Williams | Spouse | — | 45 | ~1885 |
Census Appearances
1930
Baltimore, Maryland
Son, age 25
Baltimore, Maryland · implied b. ~1905 — 14 household members
| Surname | Williams |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Mail-service |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 35
Baltimore-City-County, Maryland · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Frederick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Mechanic |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Fred Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Williams
Son · 1930 · age 25 · b. ~1905 · Maryland
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Sibling
Frank Williams
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Williams
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Williams
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nina Williams
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Williams
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Echen Williams
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Williams
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus865unit:0729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Dulany | 64 | Head | — | Maryland |
| 2 | Edward E Dulany | 44 | Son | Book-Keeper | Maryland |
| 3 | John Thompson | 30 | Head | Truck Driver | Maryland |
| 4 | Annie Thompson | 32 | Wife | — | Maryland |
| 5 | James Thompson | 8 | Daughter | — | Maryland |
| 6 | Jane Thompson | 7 | Daughter | — | Maryland |
| 7 | Albert Thompson | 6 | Son | — | Maryland |
| 8 | James Williams | 47 | Head | Clerk | Maryland |
| 9 | Hilda Williams | 45 | Wife | — | Maryland |
| 10 | Fred Williams THIS PERSON | 25 | Son | Clerk | Maryland |
| 11 | Frank Williams | 21 | Son | Stock Boy | Maryland |
| 12 | Minnie Williams | 18 | Daughter | — | Maryland |
| 13 | Annie Williams | 17 | Daughter | Packer | Maryland |
| 14 | Margaret Williams | 15 | Daughter | Packer | Maryland |
| 15 | Howard Williams | 13 | Son | — | Maryland |
| 16 | Echen Williams | 10 | Daughter | — | Maryland |
| 17 | Lucille Williams | 6 | Son | — | Maryland |
| 18 | Delia M Lowe | 18 | Boarder | Laborer | Maryland |
| 19 | Emma Williams | 21 | Daughter | — | Maryland |
| 20 | Nina Williams | 19 | Daughter | — | Maryland |
| 21 | Augusta Kuhlman | 76 | Mother-in-law | — | Germany |
| 22 | Nelly D Johnson | 67 | Head | Book-Keeper | Maryland |
| 23 | Delia T Johnson | 63 | Wife-H | — | Maryland |
| 24 | William Johnson | 34 | Son | Chemist | Maryland |
| 25 | Mamie Butler | 59 | Sister-in-law | Superviser | Maryland |
| 26 | Jessie Bradley | 51 | Sister-in-law | Clerk | Maryland |
| 27 | Catherine Bradley | 28 | Daughter | — | Maryland |
| 28 | John H Bradley | 1 | Son | — | Maryland |
| 29 | Charles H Meadows | 31 | Head | Painter | Pennsylvania |
| 30 | Margaret Meadows | 30 | Wife | — | Maryland |
| 31 | Charles Meadows | 0 | Son | — | Maryland |
| 32 | Mary Bosche | 30 | Boarder | Saleslady | Maryland |
| 33 | Lucy Dear | 52 | Head | — | Maryland |
| 34 | Lester Miller | 48 | Head | Clerk | Maryland |
| 35 | Annie K Miller | 38 | Wife | — | Maryland |
| 36 | Margaret Miller | 20 | Daughter | Clerk | Maryland |
| 37 | John Chambers | 30 | Head | Chauffer | Maryland |
| 38 | Margaret Chambers | 28 | Wife | — | New York |
| 39 | Agnes Chambers | 10 | Daughter | — | Maryland |
| 40 | John H Chambers | 7 | Son | — | Maryland |
| 41 | Joseph Thomas | 32 | Boarder | Chauffer | Virginia |
| 42 | James Houston | 45 | Head | Burner | Poland |
| 43 | Bertha Houston | 39 | Wife | — | Maryland |
| 44 | Herman P Roberts | 60 | Head | Carpenter | Maryland |
| 45 | Marie A Roberts | 53 | Wife | — | Maryland |
| 46 | Herman P Roberts | 30 | Son | Salesman | Maryland |
| 47 | Margaret G Roberts | 29 | Daughter-in-law | — | Maryland |
| 48 | Mary Roberts | 10 | Daughter | — | Maryland |
| 49 | Herman P Jr Roberts | 1 | Son | — | Maryland |
| 50 | John Jordan | 21 | Son | Attendant | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)